6N139M

Transistor, Photovoltaic Output Optoisolators Overview

The Everlight 6N139M is a high-speed optocoupler featuring a single channel with a DC input and Darlington transistor output. It provides an isolation voltage of 5000 Vrms and operates within a temperature range of -40°C to +85°C. The device exhibits a minimum current transfer ratio of 500% at a forward current of 1.6 mA, with a typical forward voltage of 1.2 V. Key timing parameters include a rise time of 60 µs and a fall time of 25 µs. It is housed in an 8-pin DIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High current transfer ratio for efficient signal transmission
• High-speed response capability for data isolation
• Darlington output configuration with base terminal access

Transistor, Photovoltaic Output Optoisolators Applications

• Data communication systems requiring galvanic isolation
• Microprocessor system interface circuits
• Industrial control logic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., M vs. M-V) against the manufacturer's datasheet to confirm pinout compatibility and packaging type. Ensure the selected variant matches the required operating temperature range and isolation voltage specifications for the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high gain and moderate speed are required for DC signal isolation. The Darlington output offers higher current drive capability compared to standard transistor outputs. Verify that the 60 µs rise time meets the system's data rate requirements before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the 6N139 series of high-speed optocouplers manufactured by Everlight Electronics. The series is designed for applications demanding reliable electrical isolation between low-voltage control circuits and higher-voltage load circuits while maintaining signal integrity.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The onsemi 6N139SM is listed as a direct substitute. Verify pinout alignment and parameter equivalence, particularly regarding the current transfer ratio and switching times, before implementation.